?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.au=Onur%2C+M.&rft.aulast=Onur&rft.date=2013&rft.title=SPE+Journal&rft.atitle=Executive+summary&rft.issue=5&rft.volume=18&rft.issn=1086055X&rft.genre=article